YourRoots Logo
Sign up free
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

Sign up free

Mary Siabhan O'Neil 1534 – 1620 – Genealogical Records

Birth Date: 1534

Birth Location: Inishowen, Co. Donegal, Ireland

Death Date: 1620

Death Location: Cork, Ireland

Father: Shane O'Neil

Mother: Catairona MacDonnell

Spouse(s):

Children(s):

In 1534, Mary Siabhan O'Neil entered the world in Inishowen, Co. Donegal, Ireland, born to Shane "The Proud" O'Neil and Catairona MacDonnell. Mary Siabhan O'Neil passed away in 1620 in Cork, Ireland.

Find more search results for Mary O'Neil
MO

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
B
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • In 1534, Mary Siabhan O'Neil entered the world in Inishowen, Co. Donegal, Ireland, born to Shane "The Proud" O'Neil and Catairona MacDonnell.
  • Mary Siabhan O'Neil passed away in 1620 in Cork, Ireland.

Immediate Family

Parents

Spouses(s)

Children(s)

Mary O'Neil's Ancestors

Self
Mary O'Neil
1534 – 1620
Birth Place: Inishowen, Co. Donegal, Ireland
Parents
Shane "The Proud" O'Neil
1530 – 1567
Tyrone, Ulster, Northern Ireland
Catairona MacDonnell
1518 – 1585
Duart, Isle of Mull, Argyll, Scotland
Grandparents
Great-Grandparents
2nd-Great-Grandparents

Mary O'Neil's Timeline

6 Records

1534
1534
Birth of Mary Siabhan O'Neil in Inishowen, Co. Donegal, Ireland
Inishowen, Co. Donegal, Ireland
1550
1550
Age 16
Birth of Mary Siabhan O'Neil in Tyrone, Northern Ireland
Tyrone, Northern Ireland
1559
1559
Age 25
Birth of Mary Siabhan O'Neil in Elagh Castle, Elaghmore, Tyrconnell, Ireland
Elagh Castle, Elaghmore, Tyrconnell, Ireland
1608
5 Jul 1608
Age 74
Death of Mary Siabhan O'Neil in Manor Cunningham, Donegal, Ireland
Manor Cunningham, Donegal, Ireland
1620
1620
Age 86
Death of Mary Siabhan O'Neil in Ininshowen, County Donegal, Ulster, Ireland
Ininshowen, County Donegal, Ulster, Ireland
1620
1620
Age 86
Death of Mary Siabhan O'Neil in Cork, Ireland
Cork, Ireland

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1559
    Event Place: Elagh Castle, Elaghmore, Tyrconnell, Ireland

    Genealogy Event 2
    Event Type: Birth
    Event Date: 1550
    Event Place: Tyrone, Northern Ireland

    Genealogy Event 3
    Event Type: Birth
    Event Date: 1534
    Event Place: Inishowen, Co. Donegal, Ireland

    Genealogy Event 4
    Event Type: Marriage
    Event Place: Dunfanaghy, Ireland

    Genealogy Event 5
    Event Type: Death
    Event Date: 5 Jul 1608
    Event Place: Manor Cunningham, Donegal, Ireland

    Genealogy Event 6
    Event Type: Death
    Event Date: 1620
    Event Place: Ininshowen, County Donegal, Ulster, Ireland

    Genealogy Event 7
    Event Type: Death
    Event Date: 1620
    Event Place: Cork, Ireland

    Genealogy Event 8
    Event Type: Burial
    Event Place: Annagry, County Donegal, Ireland
    Record Source: UK and Ireland, Find a Grave Index, 1300s-Current

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like “Trace Back To Me” instantly map your family’s migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond “end-of-line” automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans “end-of-line” ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you’re away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches’ maps and trees to identify shared ancestors, and soon you’ll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE